- Published in issue 11/2018 on page 62
multicolour without wires
The combination of RGB LEDs with (transparent) glass mosaics results in attractive light effects. But working with glass is a real challenge for an electronics hobbyist, because it is not easy to make holes (for the power supply and an on/off switch) in glass. And replacing a battery all the time is not such a great idea either — even if only considering the environmental perspective.